1616161

Properties

Appears in sequences

• Primes that contain digits 1 and 6 only.at n=14A020454
• Undulating primes (digits alternate).at n=48A032758
• Primes with consecutive digits that differ exactly by 5.at n=10A048402
• Undulating palindromic primes: numbers that are prime, palindromic in base 10, and the digits alternate: ababab... with a != b.at n=24A059758
• Palindromic primes with middle digit 6.at n=17A082442
• Palindromic primes with at least 3 digits in which the absolute difference of successive digits is identical.at n=28A085112
• Smallest palindromic prime built using the palindromes with odd number of digits as central digits.at n=15A087364
• a(n) = smallest prime of the form 10*K(n) + 1, where K is a number obtained by concatenation of n with itself, or 0 if no such prime exists.at n=15A087403
• Prime worms.at n=34A089360
• Smallest palindromic prime containing the n-th palindrome as central digit(s), or 0 if no such prime exists.at n=25A195294
• Palindromic primes in the sense of A007500 with digits '0', '1' and '6' only.at n=29A199306
• Primes formed by concatenating n, n, n, and 1 for n = 1, 2, 3,....at n=5A210712
• Periodic primes: primes p whose decimal expansion can be written as sss...st, where s is nonempty string of digits not beginning with 0, there are at least two copies of s, and t (which may be absent) is a prefix of s.at n=27A232066
• Undulating primes: prime numbers whose digits follow the pattern A, B, A, B, A, B, A, B, ...at n=49A242541
• Smoothly undulating alternating primes.at n=26A343591
• Undulating alternating palindromic primes.at n=34A343675
• Prime numbersat n=122271